Home / 814,962.30-1,222,443.45-809,057.40

Finding the Fourth Proportional to 814,962.30, 1,222,443.45 and 809,057.40

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Solution

The fourth proportional to 814,962.30, 1,222,443.45 and 809,057.40 is: 1,213,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,962.30 : 1,222,443.45 = 809,057.40 : x
  2. Step 2: Convert to fraction form
    814,962.30/1,222,443.45 = 809,057.40/x
  3. Step 3: Cross multiply
    814,962.30x = 1,222,443.45 × 809,057.40
  4. Step 4: Simplify right side
    814,962.30x = 989,026,919,304.03
  5. Step 5: Solve for x
    x = 989,026,919,304.03/814,962.30
  6. Step 6: Final answer
    x = 1,213,586.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.